iris
The iris surrounds the pupil. This topic is part of Human Body within Science & Nature. This page currently draws on 5 supporting questions, with answers and bonus facts available below.
iris trivia questions
The iris is the colored part of what organ?
Answer: Eye
Bonus fact: The iris surrounds the pupil.
The iris controls the size of what opening?
Answer: Pupil
Bonus fact: Muscles in the iris adjust how much light enters.
What pigment strongly influences iris color?
Answer: Melanin
Bonus fact: Amount and distribution of melanin affect eye color.
What colored part of the human eye surrounds the pupil?
Answer: Iris
Bonus fact: The iris controls pupil size and gives the eye much of its visible color.
The cornea is the clear front surface of what organ?
Answer: Eye
Bonus fact: The cornea covers the iris and pupil.